113 lines
5.2 KiB
LLVM
113 lines
5.2 KiB
LLVM
; RUN: opt < %s -sancov -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc -S -enable-new-pm=0 | FileCheck %s --check-prefix=CHECK
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; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-trace-pc -S | FileCheck %s --check-prefix=CHECK
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; Generated from this C++ source:
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; $ clang -O2 t.cpp -S -emit-llvm
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; void g();
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; struct Foo { Foo(); ~Foo(); };
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; int f() {
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; Foo v;
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; g();
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; try {
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; g();
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; } catch (int e) {
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; g();
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; } catch (...) {
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; g();
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; }
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; return 0;
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; }
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; FIXME: We need to do more than this. In particular, __sanitizer_cov callbacks
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; in funclets need token bundles.
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; CHECK-LABEL: define i32 @"\01?f@@YAHXZ"()
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; CHECK: catch.dispatch:
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; CHECK-NEXT: catchswitch within none [label %catch3, label %catch] unwind label %ehcleanup
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; ModuleID = 't.cpp'
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source_filename = "t.cpp"
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc19.10.24728"
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%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
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%struct.Foo = type { i8 }
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$"\01??_R0H@8" = comdat any
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@"\01??_7type_info@@6B@" = external constant i8*
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@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
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; Function Attrs: uwtable
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define i32 @"\01?f@@YAHXZ"() local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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entry:
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%v = alloca %struct.Foo, align 1
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%e = alloca i32, align 4
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%0 = getelementptr inbounds %struct.Foo, %struct.Foo* %v, i64 0, i32 0
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call void @llvm.lifetime.start(i64 1, i8* nonnull %0) #4
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%call = call %struct.Foo* @"\01??0Foo@@QEAA@XZ"(%struct.Foo* nonnull %v)
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invoke void @"\01?g@@YAXXZ"()
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to label %invoke.cont unwind label %ehcleanup
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invoke.cont: ; preds = %entry
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invoke void @"\01?g@@YAXXZ"()
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to label %try.cont unwind label %catch.dispatch
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catch.dispatch: ; preds = %invoke.cont
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%1 = catchswitch within none [label %catch3, label %catch] unwind label %ehcleanup
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catch3: ; preds = %catch.dispatch
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%2 = catchpad within %1 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i32* %e]
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invoke void @"\01?g@@YAXXZ"() [ "funclet"(token %2) ]
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to label %invoke.cont4 unwind label %ehcleanup
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invoke.cont4: ; preds = %catch3
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catchret from %2 to label %try.cont
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try.cont: ; preds = %invoke.cont, %invoke.cont2, %invoke.cont4
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call void @"\01??1Foo@@QEAA@XZ"(%struct.Foo* nonnull %v) #4
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call void @llvm.lifetime.end(i64 1, i8* nonnull %0) #4
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ret i32 0
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catch: ; preds = %catch.dispatch
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%3 = catchpad within %1 [i8* null, i32 64, i8* null]
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invoke void @"\01?g@@YAXXZ"() [ "funclet"(token %3) ]
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to label %invoke.cont2 unwind label %ehcleanup
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invoke.cont2: ; preds = %catch
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catchret from %3 to label %try.cont
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ehcleanup: ; preds = %catch3, %catch, %catch.dispatch, %entry
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%4 = cleanuppad within none []
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call void @"\01??1Foo@@QEAA@XZ"(%struct.Foo* nonnull %v) #4 [ "funclet"(token %4) ]
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call void @llvm.lifetime.end(i64 1, i8* nonnull %0) #4
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cleanupret from %4 unwind to caller
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}
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.start(i64, i8* nocapture) #1
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declare %struct.Foo* @"\01??0Foo@@QEAA@XZ"(%struct.Foo* returned) unnamed_addr #2
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declare void @"\01?g@@YAXXZ"() local_unnamed_addr #2
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declare i32 @__CxxFrameHandler3(...)
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; Function Attrs: nounwind
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declare void @"\01??1Foo@@QEAA@XZ"(%struct.Foo*) unnamed_addr #3
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.end(i64, i8* nocapture) #1
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attributes #0 = { uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { argmemonly nounwind }
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attributes #2 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #3 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #4 = { nounwind }
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"PIC Level", i32 2}
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!1 = !{!"clang version 5.0.0 "}
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